I'm likewise wondering about WMAs. I had a pair in the Lakeview WMA, and they were approved and stood for a year and a half. When I later went to put one in Dexter Marsh, it was rejected. Having just learned of the rules, I removed the one in Dexter Marsh and also pulled the two at Lakeview.
However, there are TONS of older caches still on WMAs. It seems the rule was not applied retro-actively, and not all hiders took voluntary action as I did. What will happen now?
As said before, thanks for taking the time on this forum.